Otocinclus affinis

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Golden Oto

Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Loricariidae
Genus: Otocinclus
Species: O. affinis
Binomial name
Otocinclus affinis
(Steindachner, 1877)

Otocinclus affinis ("Golden Oto") is one of the smallest known suckermouth catfish, often called a 'dwarf oto'. Typically found in Southeast Brazil, this herbivorous, rheophilic, bottom-feeder only grows to around one and a half inches in length. These small fish are often used for the purpose of controlling algae in small home aquariums.

O. affinis is a Batesian mimic of Corydoras nattereri. Due to its narrow stripe, O. affinis resembles this Corydoras species more than it does other Otocinclus species.[1]

O. affinis prefers an aquarium with fast moving water, sandy substrate, and plenty of hiding areas. Preferred pH is slightly acidic with a tank temperature of 70-80 °F. This particular species is not as hardy as many of the other Otocinclus species.

[edit] See also

[edit] References

  1. ^ Axenrot, Thomas E.; Kullander, Sven O. (October 2003). "Corydoras diphyes (Siluriformes: Callichthyidae) and Otocinclus mimulus (Siluriformes: Loricariidae), two new species of catfishes from Paraguay, a case of mimetic association" (PDF). Ichthyol. Explor. Freshwaters 14 (3): 249–272. 

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